Julio Urias keeps getting almost everyone out at triple A but still hasn't gotten a call-up from Dodgers

Julio Urias is, by at least one basic metric, the best pitcher in the triple-A Pacific Coast League. He entered Saturday leading the league with a 1.10 earned-run average. At 19, he is eight years younger than the average pitcher at his level, and he has not allowed a run in a month.

Yet Urias...